package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

//套餐管理
@RestController
@RequestMapping("/setmeal")
@Slf4j
public class SetmealController {

    @Autowired
    private SetmealService setmealService;

    @Autowired
    private SetmealDishService setmealDishService;

    @Autowired
    private CategoryService categoryService;

    @PostMapping
    public R<String> save(@RequestBody SetmealDto setmealDto){
        log.info("套餐信息: {}",setmealDto);

        setmealService.saveWithDish(setmealDto);
        return R.success("保存套餐成功");
    }

    //套餐分页查询
    @GetMapping("/page")
    public R<Page>page(int page,int pageSize,String name){
        //分页构造器对象
        Page<Setmeal> pageInfo = new Page<>(page,pageSize);
        Page<SetmealDto> dtoPage = new Page<>();

        LambdaQueryWrapper<Setmeal>queryWrapper = new LambdaQueryWrapper<>();
        //添加查询条件,根据name进行like模糊查询
        queryWrapper.like(name != null,Setmeal::getName,name);
        //添加排序条件,根据更新时间降序排列
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo,queryWrapper);//分页构建器和条件构建器传进去

       BeanUtils.copyProperties(pageInfo,dtoPage,"records");

       List<Setmeal> records = pageInfo.getRecords();

       List<SetmealDto> list = records.stream().map((item) -> {
           SetmealDto setmealDto = new SetmealDto();
           //对象拷贝
           BeanUtils.copyProperties(item,setmealDto);
           Long categoryId = item.getCategoryId();
           Category category = categoryService.getById(categoryId);
           if(categoryId != null){
               String categoryName = category.getName();
               setmealDto.setCategoryName(categoryName);
           }
           return setmealDto;
       }).collect(Collectors.toList());
       dtoPage.setRecords(list);
       return R.success(dtoPage);
    }

    //删除套餐
    @DeleteMapping
    public R<String> delete(@RequestParam List<Long> ids){
        log.info("ids: {}",ids);
        setmealService.removeWithDish(ids);
        return R.success("套餐删除成功");

    }

    /**
     * 根据条件查询套餐数据
     * @param setmeal
     * @return
     */
    @GetMapping("/list")//页面请求和url路径匹配
    public R<List<Setmeal>>list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId() != null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus() != null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);
    }
}






////对象拷贝
//        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
//                List<Setmeal> records = pageInfo.getRecords();
//
//        List<SetmealDto> list = records.stream().map((item)->{
//        SetmealDto setmealDto = new SetmealDto();
//        //对象拷贝
//        BeanUtils.copyProperties(item,setmealDto);
//        //分类id
//        Long categoryId = item.getCategoryId();
//        //根据分类id查询分类对象
//        Category category = categoryService.getById(categoryId);
//        if(categoryId != null){
//        //分类名称
//        String categoryName = category.getName();
//        setmealDto.setCategoryName(categoryName);
//        }
//        return setmealDto;
//        }).collect(Collectors.toList());
//        dtoPage.setRecords(list);
//        return R.success(dtoPage);